<template>
  <div>
    <!-- 弹出层的头部区域 -->
    <van-nav-bar title="频道管理">
      <template #right>
        <van-icon @click="closechangeAtricleListFn" name="cross" size="0.37333334rem" color="white"/>
      </template>
    </van-nav-bar>
    <!-- 我的频道 -->
    <div class="my-channel-box">
      <div class="channel-title">
        <span>我的频道
          <span class="small-title">
            点击{{isedit?'编辑':'进入'}}频道
          </span>
        </span>
        <span @click="changeList" >{{!isedit?'编辑':'完成'}}</span>
      </div>
      <!-- 我的频道列表 -->
      <van-row type="flex">
        <van-col span="6" v-for="obj in articlelist" :key="obj.id">
          <div class="channel-item van-hairline--surround" @click="lookAtricleFn(obj.id)">
            {{obj.name}}
            <!-- 删除的徽标 -->
            <!-- 没有点击事件用@click.native -->
            <van-badge color="transparent" class="cross-badge" v-show="isedit" >
              <template #content>
                <van-icon
                v-if="obj.id!==0"
                @click="removeListFn(obj.id)"
                  name="cross"
                  class="badge-icon"
                  color="#cfcfcf"
                  size="0.32rem"
                />
              </template>
            </van-badge>
          </div>
        </van-col>
      </van-row>
    </div>

    <!-- 更多频道 -->
    <div class="more-channel-box">
      <div class="channel-title">
        <span>点击添加更多频道：</span>
      </div>
      <!-- 更多频道列表 -->
      <van-row type="flex">
        <van-col span="6" v-for="obj in moreArr" :key="obj.id">
          <div class="channel-item van-hairline--surround" @click="addArticleList(obj)">{{obj.name}}</div>
        </van-col>
      </van-row>
    </div>
  </div>
</template>

<script>
import { getChannelListAPI } from '@/api'

export default {
  props: {
    articlelist: Array

  },
  data () {
    return {
      allArr: [],
      isedit: false
    }
  },
  async created () {
    const res = await getChannelListAPI()
    // console.log(res)
    this.allArr = res.data.data.channels
    // console.log(this.allArr)
    console.log(this.moreArr)
  },
  computed: {
    moreArr () {
      return this.allArr.filter(obj => {
        const index = this.articlelist.findIndex(obj2 => obj.id === obj2.id)
        if (index === -1) {
          return true
        }
      })
    }

  },
  methods: {
    closechangeAtricleListFn () {
      this.$emit('closePE', false)
    },
    changeList () {
      this.isedit = !this.isedit
    },
    addArticleList (addobj) {
      this.$emit('addList', addobj)
    },
    removeListFn (id) {
      this.$emit('removeList', id)
    },
    lookAtricleFn (lookid) {
      this.$emit('input', lookid)
      this.$emit('closePE', false)
    }
  }
}
</script>

<style scoped lang="less">

.popup-container {
  display: flex;
  flex-direction: column;
}

.pop-header {
  height: 90px;
  background-color: #007bff;
  color: white;
  text-align: center;
  font-size: 14px;
  position: relative;
  .title {
    width: 100%;
    position: absolute;
    bottom: 15px;
  }
}

.pop-body {
  flex: 1;
  overflow: scroll;
  padding: 8px;
  background-color: white;
}

.my-channel-box,
.more-channel-box {
  .channel-title {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    line-height: 28px;
    padding: 0 6px;
  }
}

.channel-item {
  font-size: 12px;
  text-align: center;
  line-height: 36px;
  background-color: #fafafa;
  margin: 5px;
}

/*删除的微标 */
.cross-badge {
  position: absolute;
  right: -3px;
  top: 0;
  border: none;
}

/*提示文字 */
.small-title {
  font-size: 10px;
  color: gray;
}
</style>
